Across
1
Heavy ball on a wire thrown in athletics
3
Start play in tennis or volleyball
4
Sport of propelling a boat with oars
5
Championship match or round
9
Sport of riding bicycles
11
Slam the basketball into the hoop
Down
2
Leap off the ground
3
Riding waves on a board
6
Bring down an opponent in football
7
Race combining swimming, cycling, running
8
Board on wheels used for tricks
10
Contact sport with an oval ball